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Chief scientist revolts over biofuel legislation

Could biofuels do more damage to the climate than the fossil fuels they replace? That’s the fear casting doubt on the wisdom of a law that from next month will require a certain proportion of vehicle fuel to come from biological sources.

On Monday, Bob Watson, chief scientist at the UK’s Department of Environment Food and Rural Affairs, called into question the idea of switching to biofuels. This follows the publication of studies showing that more carbon is emitted in producing some biofuels than is saved by burning them in place of fossil fuels. Former UK chief scientist David King also denounced biofuels that displace food …